Submission #767157

#	Time	Username	Problem	Language	Result	Execution time	Memory
767157		Ahmed57	Permutation (APIO22_perm)	C++17	Compilation error	0 ms	0 KiB

perm

#include <bits/stdc++.h>

using namespace std;
int[] construct_permutation(long long k){
    k--;
    vector<long long> v;
    for(long long i = 0;i<60;i++){
        if((1LL<<i)<=k){
            k-=(1LL<<i);
            v.push_back(i);
        }
    }
    for(long long i = 59;i>=0;i--){
        while((1LL<<i)<=k){
            long long xd = i;
            for(int j = v.size()-1;j>=xd;j--){
                v[j]++;
            }
            v.push_back(i);
            n-=(1LL<<i);
        }
    }
    int arr[v.size()];
    for(int i = 0;i<v.size();i++)arr[i] = v[i];
    return arr;
}

Compilation message (stderr)

perm.cpp:4:4: error: structured binding declaration cannot have type 'int'
    4 | int[] construct_permutation(long long k){
      |    ^~
perm.cpp:4:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
perm.cpp:4:4: error: empty structured binding declaration
perm.cpp:4:7: error: expected initializer before 'construct_permutation'
    4 | int[] construct_permutation(long long k){
      |       ^~~~~~~~~~~~~~~~~~~~~